prefix : <dokk:learning_topics:>
prefix library: <dokk:library:>

:c++
    :site "https://cppreference.com" ,
          "https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines" .

:js
    :book library:Eloquent JavaScript-3rd_Edition .

:math
    :book library:Discrete_Mathematics_An_Open_Introduction-Oscar_Levin-3rd_Edition ,
          library:Basic_Algebra_With_Applications-Zaigralin .
